Police said via Twitter that a noise heard near the shooting site was a “controlled explosion,’’ and asked media to avoid “reporting inaccuracies.’’ No other details were provided.

Pulse Orlando’s earlier posted on its own Facebook page: “Everyone get out of pulse and keep running.’’

The incident follows the fatal shooting on Friday of 22-year-old singer Christina Grimmie, who was killed after her concert in Orlando by a 27-year-old Florida man who later killed himself. Grimmie was a YouTube sensation and former contestant on “The Voice.’’ (AP)